This is the mail system at host smtp1.osuosl.org.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

The mail system

jaime.pr@a.colegiocasaazul.com: host aspmx.l.google.com[74.125.197.26] said: 550-5.7.1 Tu mensaje ha sido rechazado porque incumple la política de 550-5.7.1 restricción. Los alumnos/as del Colegio Casa Azul sólo podrán 550-5.7.1 recibir y enviar correos de/a usuarios pertenecientes al centro 550 5.7.1 educativo. - gcdp d6-20020a170903230600b001c7380aca09si12093659plh.512 - gsmtp (in reply to end of DATA command)